This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A006294 M3922 #28 Jul 08 2025 16:46:22 %S A006294 1,1,5,22,164,1030,8885,65954,614404,5030004,49145460,429166584, %T A006294 4331674512,39599553708,409230997461,3871362876810,40730958917220, %U A006294 395684757649324,4222043580320852,41894315105061848,452123832420881296 %N A006294 Number of rooted planar maps with n edges. %D A006294 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A006294 T. R. S. Walsh, Combinatorial Enumeration of Non-Planar Maps. Ph.D. Dissertation, Univ. of Toronto, 1971. %D A006294 T. R. S. Walsh and A. B. Lehman, Counting rooted maps by genus, J. Comb. Thy B13 (1972), 122-141 and 192-218. %H A006294 W. T. Tutte, <a href="http://dx.doi.org/10.1090/S0002-9904-1968-11877-4">On the enumeration of planar maps</a>. Bull. Amer. Math. Soc. 74 1968 64-74. %H A006294 T. R. S. Walsh and A. B. Lehman, <a href="http://dx.doi.org/10.1016/0095-8956(72)90056-1">Counting rooted maps by genus</a>, J. Comb. Thy B13 (1972), 122-141 and 192-218. %H A006294 <a href="/A007401/a007401_1.pdf">Notes</a> %Y A006294 Row maxima of A269920. %K A006294 nonn %O A006294 0,3 %A A006294 _N. J. A. Sloane_ %E A006294 More terms from _Sean A. Irvine_, Feb 24 2017